Definitions

1. noun

A person who kneels, especially one who kneels in prayer or to worship.

“The kneeler in front of the altar was a beautiful work of art.”

2. noun

A device, typically a cushioned stool or a hinged or adjustable seat, for kneeling, especially in prayer or for playing a musical instrument.

“The musician used a kneeler to support her back while playing the violin.”